Pennsylvania 15th Congressional District, Pennsylvania: Republican loyalist district. In 2024, voted R+37%. Republican peak: R+51 in 1928.
Key facts
- 2024 presidential margin
- R+37MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 816,3142024 5-year
- Median household income
- $65,6312024 5-year
- White (non-Hispanic)
- 91.3%2024 5-year
- Black
- 2.3%2024 5-year
- Hispanic / Latino
- 2.4%2024 5-year
- Peak Democratic margin
- D+20 in 1964MIT Election Lab
- Peak Republican margin
- R+51 in 1928MIT Election Lab
Constituent county margins for Congressional District 15, PAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 131,924 | 290,500 | 427,366 | ||
| R | 129,627 | 280,654 | 416,030 | ||
| R | 111,312 | 244,055 | 373,892 | ||
| R | 127,395 | 209,028 | 343,542 | ||
| R | 157,438 | 201,182 | 363,695 | ||
| R | 136,174 | 216,129 | 354,757 | ||
| R | 115,401 | 179,856 | 305,557 | ||
| R | 115,090 | 134,082 | 287,968 | ||
| R | 114,830 | 127,816 | 312,638 | ||
| R | 114,424 | 161,520 | 278,281 | ||
| R | 107,620 | 188,806 | 297,842 | ||
| R | 106,454 | 158,174 | 284,467 | ||
| R | 128,559 | 153,400 | 287,335 | ||
| R | 87,927 | 181,797 | 274,287 | ||
| R | 107,759 | 153,826 | 279,728 | ||
| D | 173,728 | 114,667 | 289,227 | ||
| R | 114,631 | 196,553 | 311,731 | ||
| R | 92,315 | 189,800 | 282,536 | ||
| R | 96,239 | 179,493 | 277,187 | ||
| R | 82,390 | 131,449 | 216,416 | ||
| R | 94,669 | 146,997 | 243,393 | ||
| R | 117,218 | 164,117 | 282,323 | ||
| R | 145,386 | 154,203 | 305,546 | ||
| R | 86,242 | 118,582 | 213,023 | ||
| R | 57,479 | 177,213 | 236,449 | ||
| R | 38,468 | 121,145 | 185,603 | ||
| R | 42,247 | 101,258 | 158,547 | ||
| R | 46,916 | 57,328 | 114,637 | ||
| O | 37,645 | 19,401 | 114,679 | ||
| R | 44,558 | 72,507 | 127,196 | ||
| R | 34,458 | 78,522 | 122,715 | ||
| R | 49,544 | 75,756 | 131,683 | ||
| R | 52,831 | 72,991 | 131,030 | ||
| R | 49,313 | 54,758 | 111,855 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
27.9%
Irish
12.9%
English
10.3%
Italian
8.1%
American
6.6%
Polish
4.2%
Scottish
1.3%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 42.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$65,631
Congressional District 15 ranks near the middle of US counties.
Congressional District 15$65,631
Pennsylvania$77,971
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.2%
Children face moderate poverty.
Children under 1815.4%
Working age (18–64)12.8%
Seniors (65+)10.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
94.1%
speak English only
Other Indo-European3.0%
Spanish1.4%
Asian & Pacific Islander1.1%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 59.5% of residents not counted as adherents by any reporting body.
Pennsylvania 15th Congressional District sits in the Mid-Atlantic. Its political identity has been Republican for as long as anyone now living can remember. 1 consecutive presidential elections in modern records have gone for the Republican candidate, often by margins that would be considered landslide territory anywhere else.
The Republican margin in Pennsylvania 15th Congressional District reached its widest at fifty-one points in 1928. The margin in 2024 was thirty-seven points, in line with the district's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $65,631, a 91% non-Hispanic-white share, and a population of 816,314 together describe a district whose political habits are deeply settled.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 15, Pennsylvania — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/4215/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 15, Pennsylvania vote in 2024?
In 2024, Congressional District 15, Pennsylvania voted Republican by 37.1 points (R+37), carried by the Republican candidate. Out of 427,366 votes cast, 131,924 went Democratic and 290,500 went Republican.
What is Congressional District 15, Pennsylvania's political archetype?
Akashic classifies Congressional District 15, Pennsylvania as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 1 times, Republican 32 times, and other 1 times.
When did Congressional District 15, Pennsylvania last vote Democratic?
The most recent presidential election in which Congressional District 15, Pennsylvania voted Democratic was 1964.
How many people live in Congressional District 15, Pennsylvania?
Congressional District 15, Pennsylvania has a population of 816,314 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 15, Pennsylvania?
Median household income in Congressional District 15, Pennsylvania is $65,631 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Congressional District 15, Pennsylvania?
Akashic tracks 38 presidential elections in Congressional District 15, Pennsylvania from 1876 to 2024. Of those, 1 went Democratic and 32 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.